How to change password

I don’t know if I’m missing what would seem to be the most obvious thing in the world, but I can’t figure out how to change my password. I’ve searched the docs, faqs, & forum, but all I see is that I can click the “forgot password” link & get a randomly generated password emailed to me. Is that true? I can’t set my own?

I saw this link:
http://dev.piwik.org/trac/ticket/526
But it’s not very clear.
The first line says, "Users can’t edit their profile…"
2nd bullet point says, "super user can edit its login, password, email…"
Which is it, and how? In further reading, there’s a “My Profile” AND an “admin” section?

I must be blind, because I can’t find either of those sections. Is there some other URL I’m supposed to know, like “/piwik/administrator/”???

Could someone please help.
Thanks,
-David